5 Oz. 53/47 Cotton/Poly Pique With Stay-Cool Wicking Technology. OGIO Heat Transfer Label For Tag-Free Comfort. Tonal Stitch Throughout (White Is Dyed-To-Match). Self-Fabric Collar. 3-Button Placket With Coverstitch Detail And Metal Buttons. Modified Raglan Sleeves. Rubber OGIO Heat Transfer At Left Hem. Side Vents.